sunnuntai 13. joulukuuta 2015

Tablet keyboard


Since my old tablet itself was already dead, I decided to take a look inside its keyboard too. Which was broken also, about half of the keys didn't work anyway so loss of the tablet itself wasn't that big problem anyway.


Bottom panel was held on by not less than three (3!) different kinds of screws; ones on sides with tiny torx head; two screws more under lower rubber feet with phillips head and two more under upper feet with slightly larger phillips head. Why? Oh, and after screws it was still held in by clips at edges.

As a side not, I've had this screwdriver with its small heads (including really tiny allen heads, torxes, phillips and others) for long time now. I bought it from a local general parts store for maybe 5eur or so and it has been invaluable ever since. Unfortunately I've never seen any kit like this for sale anywhere since then, at least not locally, so I'd really hate to lose or ruin this set.


Bottom (rear?) panel off. Almost everything is covered by this large, relatively thick metal panel, most likely to add rigidity and weight to balance tablet's weight when open. The mechanical build quality of this thing is actually pretty nice overall.

With metal panel off rest of stuff is exposed, the little there is. At lower part there is trackpad (chip below sticker is Elan 3320KD-3100; brief search didn't turn up anything useful) and at upper part USB device port and under sticker Nuvoton NPCE69ALA0DX. I didn't find any information about that chip but it appears that all data goes through it. Best guess would be some kind of USB hub/keyboard chip. Thin covered cable snakes in the hinge and there isn't really any protection aside grey cloth-like cover material so I really can't say how long it would last before metal parts wear it out. So far there wasn't any noticeable wear so I'd guess answer to that would be 'long enough'.

I didn't feel like opening keyboard itself further as it very likely is like any laptop keyboard these days.

And yeah, no extra battery. Such a shame Asus decided not to include that with new Transformers, doubled use time on original Transformer was absolutely worth the extra bulk on keyboard, especially when traveling.


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